Finding the Fourth Proportional to 103,634.15, 155,192.02 and 82,898.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,634.15 : 155,192.02 = 82,898.15 : x
2. Step 2: Convert to fraction form
   103,634.15/155,192.02 = 82,898.15/x
3. Step 3: Cross multiply
   103,634.15x = 155,192.02 × 82,898.15
4. Step 4: Simplify right side
   103,634.15x = 12,865,131,352.76
5. Step 5: Solve for x
   x = 12,865,131,352.76/103,634.15
6. Step 6: Final answer
   x = 124,139.88